n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 26 |
5 | 88 |
6 | 340 |
7 | 1411 |
8 | 6417 |
9 | 31474 |
10 | 166242 |
11 | 939646 |
12 | 5659613 |
13 | 36158227 |
14 | 244049562 |
15 | 1733702757 |
16 | 12919475840 |
17 | 100690425442 |
18 | 818554392962 |
19 | 6924577964036 |
20 | 60828588178031 |
21 | 553821749290234 |
22 | 5217264062756556 |
23 | 50776256646839085 |
24 | 509823607380230570 |
[1,1,3,8,26,88,340,1411,6417,31474,166242,939646, 5659613,36158227,244049562,1733702757,12919475840, 100690425442,818554392962,6924577964036, 60828588178031,553821749290234,5217264062756556, 50776256646839085,509823607380230570] |